add example filter subscription #720
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examples/pubsub-filter/1.js
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| //validate fruit | ||
| node1.pubsub._pubsub.topicValidators.set(topic, validateFruit); |
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@wemeetagain @jacobheun we should provide a friendly API for this.
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@vasco-santos can you open a new issue to discuss the pubsub abstraction we currently have in place here? I think we should look at getting rid of it or finding a cleaner way to support direct access to various modules. The API is unnecessarily restrictive atm.
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Do I place each example as two different folders or two examples in the same folder? |
I think it should live under the pubsub examples folder. But, let's wait for @jacobheun feedback |
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We can just move it into |
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Done |
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I cleaned up some language and merged this via a331b84. Thanks for the PR! |
I made this example to show how to put an additional filter on pubsub. So each node can verify that the message is valid before sharing it with the other nodes. This helps not to overload the network in cases where the node can check the validity of the messages by itself.